Roll src/third_party/skia 0ec8ec2..b26b899 (11 commits) (flutter#7705)

https://skia.googlesource.com/skia.git/%2Blog/0ec8ec27b81c..b26b8998fa9c

git log 0ec8ec2..b26b899 --date=short --no-merges --format=%ad %ae %s
2019-02-05 [email protected] [skottie] Fix logging of oversized messages
2019-02-04 [email protected] Remove fPreBlendForFilter
2019-01-25 [email protected] third_party/icu:  use upstream
2019-02-05 [email protected] Roll recipe dependencies (trivial).
2019-02-05 [email protected] Revert "SkSL is now pickier about type conversions"
2019-02-05 [email protected] s/geTestSVGTypeface/getTestSVGTypeface
2019-02-05 [email protected] SkSL is now pickier about type conversions
2019-01-28 [email protected] Move luminace calculation to the SkScalerContext ctor.
2019-02-05 [email protected] Remove fIntendedType from GrMtlBuffer. Add accessor to base class
2019-02-05 [email protected] Make sure the vulkan gpu is done work before we deleting objects in VkHardwareBufferTest.
2019-02-05 [email protected] Fill in missing GrMtlCaps functions and fix for 0 buffer alloc.

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https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

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DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '0ec8ec27b81ca3ae46cfc4e85297e09b2c592943',
+  'skia_revision': 'b26b8998fa9cd06c57e091243339f2c7e5396af5',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: e37e24e6a26a9973cc56d0593a011cd8
+Signature: 6207adccc2ca53acc3c6c3ee4d23b1e7
 
 UNUSED LICENSES: